[Webkit-unassigned] [Bug 159387] New: BytecodeGenerator::getVariablesUnderTDZ is too conservative

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=159387

            Bug ID: 159387
           Summary: BytecodeGenerator::getVariablesUnderTDZ is too
                    conservative
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

For example it will say that "x" is under TDZ in the "...":

{
    {
        let x;
        ...
    }
    let x;
}

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